fix(config): restore parametric datasource URLs after merge from dev

Dev branch had changed datasource URLs to env vars (SPRING_DATASOURCE_URL etc.)
for k8s deployments, but route-processing uses parametric config-server URLs
for local development.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

config-repo/pcp-mission-planing-service.yaml

@@ -75,7 +75,7 @@ spring:
 camunda:
   client:
     mode: self-managed
-    grpc-address: http://camunda.k8s.265.nstart.cloud:30901
+    grpc-address: ${CAMUNDA_GRPC_ADDRESS:http://192.168.60.201:26500}
     auth:
       method: none
     prefer-rest-over-grpc: false
@@ -115,9 +115,9 @@ spring:
       missing-topics-fatal: false
   datasource:
     driver-class-name: org.postgresql.Driver
-    url: "${SPRING_DATASOURCE_URL}"
-    username: "${SPRING_DATASOURCE_USERNAME}"
-    password: "${SPRING_DATASOURCE_PASSWORD}"
+    url: jdbc:postgresql://${pcp.infra.postgres.host}:${pcp.infra.postgres.port}/pcp_missions
+    username: postgres
+    password: password
   jpa:
     hibernate:
       ddl-auto: validate